Home / 45,581.49-68,383.79-13,993.16

Finding the Fourth Proportional to 45,581.49, 68,383.79 and 13,993.16

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Solution

The fourth proportional to 45,581.49, 68,383.79 and 13,993.16 is: 20,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.49 : 68,383.79 = 13,993.16 : x
  2. Step 2: Convert to fraction form
    45,581.49/68,383.79 = 13,993.16/x
  3. Step 3: Cross multiply
    45,581.49x = 68,383.79 × 13,993.16
  4. Step 4: Simplify right side
    45,581.49x = 956,905,493.10
  5. Step 5: Solve for x
    x = 956,905,493.10/45,581.49
  6. Step 6: Final answer
    x = 20,993.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.